the north side; the north bank — the side or area located to the north of a place or object.
公園は駅の北側にあります。
The park is on the north side of the station.
川の北側は住宅地が広がっている。
The north bank of the river is occupied by residential areas.
北側の窓は夏でもあまり直射日光が入らない。
The north-facing windows don't get much direct sunlight even in summer.